**Dr. James Tanton** is an author, a consultant, and an ambassador for the Mathematical Association of America in Washington D.C., currently serving as their Mathematician-at-Large. He has taught mathematics both at university and high school institutions. He is absolutely committed to promoting effective and joyful mathematics thinking, learning, and doing at all levels of the education spectrum. He is a founder of The Global Math Project, an initiative to transform the entire world’s perception of what mathematics can and should be. Already over 3.8 million students and teachers from over 150 countries have taken part in a common joyous piece of mathematics and saw how classroom mathematics can serve as a portal for human joy, wonder, and delight. See his sites jamestanton.com and gdaymath.com to learn more about his work.

Who chose the number 360 for the count of degrees in a circle? Why that number? And why do mathematicians prefer not to use that number for mathematics? Why is the chosen direction of motion in mathematics counterclockwise when the… Learn more →

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